bayes_wizard_step5.php

PHP NaiveBayes源代码

<p>
STEP 5 of 5: Probability of each disease given symptoms.
</p>

<?php
include "Bayes.php";

$disease_labels = $_POST["disease_labels"];
$symptom_labels = $_POST["symptom_labels"];
$priors         = $_POST["priors"];
$likelihoods    = $_POST["likelihoods"];

$bayes = new Bayes($priors, $likelihoods);
$bayes->getPosterior();
$bayes->setRowLabels($symptom_labels);    // i.e., evidence
$bayes->setColumnLabels($disease_labels); // i.e., hypothesis
$bayes->toHTML();
?>

<br />
<form method='post' action='<?php echo $PHP_SELF ?>'>
  <input type='hidden' name='num_diseases' value='<?php echo $num_diseases; ?>'>  
  <input type='hidden' name='num_symptoms' value='<?php echo $num_symptoms; ?>'>    
  <?php 
  for ($h=0; $h < $num_diseases; $h++) {  
    echo "<input type='hidden' name='disease_labels[]' value='$disease_labels[$h]'>\n";  
  }
  for ($h=0; $h < $num_symptoms; $h++) {    
    echo "<input type='hidden' name='symptom_labels[]' value='$symptom_labels[$h]'>\n";   
  }
  for ($h=0; $h < $num_diseases; $h++) {  
    echo "<input type='hidden' name='priors[]' value='$priors[$h]'>\n";  
  }
  for ($h=0; $h < $num_diseases; $h++) {  
    for ($e=0; $e < $num_symptoms; $e++) { 
      $value = $likelihoods[$h][$e];    
      echo "<input type='hidden' name='likelihoods[$h][$e]' value='$value'>\n";  
    }
  }
  ?>
  <select name='next_step'>
    <option value='1'>Start Again</option>
    <option value='2'>Reenter Labels</option>    
    <option value='3'>Reenter Priors</option>
    <option value='4'>Reenter Liklihoods</option>
  </select>
  <input type='submit' value='Go'>  
</form>